Thanks @Himanshu_Jain,      Where can I find the start.bat file?

Thanks for your reply @ArpitVarshney ,              I checked port 4502 and also tried to run in admin mode. Still, I get the same error.              But the thing is crx-quickstart folder itself is not generating while I run the quickstart jar file. This causes the filenotfound error. 

  Hello all,I get this error when I start AEM author SDK in cmd. I am using java 11.0.15 . Someone, please help me with this.Thanks in advance:)  C:\Program Files\aem-sdk\author>java -jar aem-author-p4502.jarLoading quickstart properties: defaultLoading quickstart properties: instanceLow-memory acti...